Mystery surrounds severed feet in British Columbia Canada
At least five other feet since August have surfaced off Canadian shore
The latest foot showed up in a shoe, authorities say
It could takes weeks or months to use DNA science to identify the body parts
Mystery has garnered attention around the world
(CNN) -- Investigators are pursuing a variety of theories in their quest to unravel the mystery of six human feet that have washed up on the shores of the Canadian province of British Columbia in the last 11 months.
RCMP officers use a container to carry a shoe and foot found on a Canadian beach on Wednesday.
The sixth foot turned up Wednesday -- a right foot in a man's size 10 black Adidas athletic shoe, police said. As in the previous cases, however, immediate answers as to the foot's origin eluded detectives.
"We are exploring the possibility that it